package com.smm.web.vmc.tool;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

public class HttpRequest
{
    public static String sendGet(String url, String param)
    {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url + "?" + param;
            URL realUrl = new URL(urlNameString);

            URLConnection connection = realUrl.openConnection();

            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");

            connection.connect();

            Map<String, List<String>> map = connection.getHeaderFields();

            for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }

            in = new BufferedReader(new InputStreamReader(connection
                    .getInputStream()));
            String line;
            while ((line = in.readLine()) != null)
                result = result + line;
        }
        catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        finally
        {
            try {
                if (in != null)
                    in.close();
            }
            catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }

    public static String sendPost(String url, String param)
    {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);

            URLConnection conn = realUrl.openConnection();

            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");

            conn.setDoOutput(true);
            conn.setDoInput(true);

            out = new PrintWriter(conn.getOutputStream());

            out.print(param);

            out.flush();

            in = new BufferedReader(new InputStreamReader(conn
                    .getInputStream()));
            String line;
            while ((line = in.readLine()) != null)
                result = result + line;
        }
        catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！" + e);
            e.printStackTrace();
        }
        finally
        {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null)
                    in.close();
            }
            catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }

    public static void main(String[] args)
    {
        String s = sendGet("http://localhost:6144/Home/RequestString", "key=123&v=456");
        System.out.println(s);

        String sr = sendPost("http://localhost:6144/Home/RequestPostString", "key=123&v=456");
        System.out.println(sr);
    }
}